String of sleepy-ness.. odd? help

Hey, I have a white 1.83ghz 1GB, 60gig, and about 3 minutes ago my Macbook fell asleep, so i wiggled the trackpad it woke up.. then immediantly fell back to sleep.. so i tapped some buttons, and then it fell asleep again.. so i plugged it in.

Now its okay.. Why would this suddently fall asleep like that, in a row?

I am confused, anyone else have this problem? cause its never happened before, and i just closed the lid and plugged it in.. Its okay now...

Yeah i have been calibrating it monthly i would say, i did it when i got it right out of the box, then again maybe last month.. i would say i go about 40 days then calibrate it.. it hasnt fell asleep like that since, but i was in a room full of people on laptops, and it was a tad embarassing, because whenever it wakes up it makes that sound from the CD drive.. so it was loud, and i think they were looking at me wierd.. So i thought i would ask around to be safe..

Ok, this is really weird. I jsut restarted my Powerbook because of the same symptoms (fell asleep very quickly several times in a row). I logged into macrumors to do a quick search, and boom - in the first page I see this thread.

I already checked the energy Saver, and changed the Sleep timer to 3 hours. The weird thing is that I was indeed using the computer, listening to music on itunes, with the new MSN messenger open and checking out a page in Safari.

Just quickly, the machine will also fall asleep if it's too hot. This is meant to prevent overheating. If you're still having troubles and it's not from overheating plus the recalibration + PMU reset doesn't help, then try re-seating the battery.

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